| Patents for G04F 1 - Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timer (1,165) |
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| 03/16/1982 | US4320316 Operation time control apparatus |
| 02/23/1982 | CA1118921A1 Counter/timer with incremental indicators |
| 01/19/1982 | US4311438 Method and apparatus for controlling the start of an intermittently operating pump |
| 01/05/1982 | CA1115812A1 Digital circuit generating a vital delay |
| 01/05/1982 | CA1115531A1 Electronic timer device |
| 12/01/1981 | USRE30813 Intermittence-responsive working-time indicator |
| 11/11/1981 | EP0039491A1 A resettable apparatus for producing time-delayed force and/or displacement response |
| 09/22/1981 | CA1109555A2 Timed electric switch |
| 09/08/1981 | US4288064 Timed-action actuators |
| 08/25/1981 | US4286246 Heat-up/cool-down bimetal timer for electric toaster |
| 08/11/1981 | CA1106956A2 Timed electric switch |
| 07/21/1981 | US4280063 Electronic timer device |
| 06/30/1981 | US4276631 Electronic timer |
| 06/30/1981 | US4276483 Timed electric switch |
| 06/23/1981 | US4275356 Digital time dependent relay circuitry |
| 05/12/1981 | US4267588 Hourglass construction |
| 04/21/1981 | US4262842 Hot water timer |
| 02/17/1981 | CA1096028A1 Timed electric switch |
| 02/03/1981 | US4249070 Counter/timer with incremental indicators |
| 12/09/1980 | US4238847 Electronic watch for yacht races |
| 12/09/1980 | US4238846 Timing device |
| 11/25/1980 | US4236242 Dual timer device |
| 11/25/1980 | US4236238 Electronic digital timepiece having a stopwatch function and a timer function |
| 10/21/1980 | US4228649 Timing device |
| 09/16/1980 | US4222226 Multi-range timer |
| 08/26/1980 | US4218871 Electronic timer |
| 07/15/1980 | US4212153 Laminate containing a migratable agent |
| 07/08/1980 | US4211025 Biorhythm cycle display apparatus |
| 06/24/1980 | US4209675 Variable duration electric clock timer unit |
| 06/10/1980 | US4206838 Time-lapse indicator or the like |
| 05/27/1980 | CA1078492A1 Intermittence-responsive working-time indicator |
| 04/16/1980 | EP0009870A1 Counter/timer with incremental indicators |
| 04/08/1980 | CA1075016A1 Electronic clock having visual and auditory indications |
| 01/22/1980 | US4184612 Automatic sprayer |
| 12/04/1979 | CA1067298A1 Handless clock with continuous display of time of day |
| 09/18/1979 | US4168526 Digital circuit generating a vital relay |
| 08/08/1979 | EP0003412A2 Electric delay device |
| 08/07/1979 | US4163360 Timer device |
| 06/27/1979 | EP0002648A1 Stairway light time switch |
| 04/17/1979 | CA1052632A1 Indicating device |
| 10/03/1978 | US4117666 Quick reset timer |
| 09/26/1978 | US4115997 Timing attachment for telephones |
| 08/29/1978 | CA1037596A1 Multi-product cooking computer |
| 07/04/1978 | US4098071 Time signal clock |
| 05/23/1978 | US4090356 Gravity reading pacer |
| 04/11/1978 | US4083308 Projectile fuzes |
| 03/07/1978 | US4077198 Clock apparatus |
| 01/10/1978 | USRE29511 Parking meter |
| 10/18/1977 | US4054026 Bottle-timer assembly |
| 09/20/1977 | US4049952 Intermittence-responsive working-time indicator |
| 09/13/1977 | US4047375 Darkroom timer |
| 07/12/1977 | US4035793 Signaling interval timer |
| 07/12/1977 | US4035661 Electronic timer |
| 06/14/1977 | US4028876 Apparatus for visually indicating elapsed time by a color change |
| 06/07/1977 | US4027470 Digital timer circuit |
| 05/24/1977 | US4024701 Gravity powered timers |
| 03/08/1977 | US4011517 Timer apparatus for incrementing timing code at variable clock rates |
| 11/02/1976 | US3989374 Electronic timing device |
| 09/07/1976 | US3979056 Multi-product cooking computer |
| 07/20/1976 | US3969886 Digital electronic watch for displaying both time and the time remaining within a preselected time period |
| 05/04/1976 | US3954011 Selected time interval indicating device |
| 02/17/1976 | US3938315 Adjustable interval timer |
| 02/03/1976 | US3935702 Invertible timer |
| 01/13/1976 | US3932723 Electronic range with automatic electronic digital timer |
| 01/06/1976 | US3930363 Parking meter |